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Distillation Column Design For Ethanol Water Mixture

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#1 Pink_Rose


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Posted 02 October 2012 - 08:28 PM

How to Design a Distillation Column for Ethanol Water Mixture, 95% recovery in Distillate, which is around 110-120 L/day? Help!

#2 breizh


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Posted 02 October 2012 - 11:03 PM

Hi Pink-Rose .
What do you know about distillation ? Do you know Mac cabe & Thiele ? data are missing like feed composition and purity

I've attached a resource that can help you .



Attached Files

Edited by breizh, 02 October 2012 - 11:37 PM.

#3 Wit Knien

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Posted 03 October 2012 - 05:04 AM

Hello Pink Rose,

I've had a similar project assigned to me, in order to comprehend some of the basics of distillation I've made an Excel file which applies the Fenske, Underwood, & Gilland (FUG) Method to calculate some things. It's not completed yet since a part of the batch distillation calculations are not done yet, but perhaps it is of interest to you aswell.

Attached File  Batch destillatie opzet.xlsm   92.71KB   251 downloads

Edit: it does not consider azeotropes but should give you a general insight into distillation calculations.

Edited by Wit Knien, 03 October 2012 - 05:05 AM.

#4 arslan.ahmad


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Posted 14 October 2012 - 01:48 PM

You first study Distillation design by Henry Z.kister or Ludwigs chemcial engg vol 2..
I am sending you a distillation column design sample, it will also help you in designing your column.

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#5 jrtailor09


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Posted 15 October 2012 - 06:20 AM

Ethanol & Water will form an AZEOTROPE so, you have to add a solvent Toluene for this.

During my graduation final semester seminar & project was on AZEOTROPIC DISTILLATION.


#6 Wit Knien

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Posted 15 October 2012 - 06:22 AM

There are other possibilities, consider mol sieve / ceramic membranes.

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